Abstract

ABSTRACTA simple model was developed to describe the nonlinear viscoelastic behavior of rubberlike materials under large deformation in which the linear spring in the classical Kelvin-Voigt model is replaced by the Langevin-chain spring. This model has a simple mathematical structure and has only three material parameters. The model can capture the main features of the viscoelastic behaviors of polymers in wide range, from linear to nonlinear.

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